Is there some reason the ahci kernel module is *missing* from the 2.6.9-89.0.16.plus.c4 kernel? It is in the standard 2.6.9-89.0.16.EL kernel. Is this due to an oversight or is there some sort of conflict? I wanted to add IEEE1394 support to my system running CentOS 4.8. I *looks* like what I need to do is download the kernel SRPM and patch the config to include the IEEE1394 modules and re-build the kernel from source. Arg... -- Robert Heller -- 978-544-6933 Deepwoods Software -- Download the Model Railroad System http://www.deepsoft.com/ -- Binaries for Linux and MS-Windows heller at deepsoft.com -- http://www.deepsoft.com/ModelRailroadSystem/